1. ronald martinez
  2. play-problems

Source

play-problems / matrix.txt

0
1
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9
a
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c
d
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f
g
h
i
j
k
l
m
o
p
q
r
s
t
u
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w
x
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z
(
)
|
*
%
$
#
!
@
{
}
[
]
+
-
:
;
<
>